package com.zxxy.gulimall.product.exception;

import com.zxxy.common.exception.BizCodeEnme;
import com.zxxy.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;
import java.util.Map;

@Slf4j
@RestControllerAdvice(basePackages = "com.zxxy.gulimall.product.controller")
public class GulimallExceptionControllerAdvice {

    @ExceptionHandler(value= MethodArgumentNotValidException.class)
    public R handleVaildException(MethodArgumentNotValidException e){
        log.error("数据校验出现问题{}，异常类型：{}",e.getMessage(),e.getClass());
        BindingResult bindingResult = e.getBindingResult();
        Map<String,String> errorMap = new HashMap<>();
        // 获取校验的错误结果
        bindingResult.getFieldErrors().forEach((item)->{
            // fieldError 错误提示
            String message  = item.getDefaultMessage();
            // 获取错误的属性的名字
            String field = item.getField();
            errorMap.put(field,message);
        });
        return R.error(BizCodeEnme.VAILD_EXCEPTION.getCode(),"数据校验出现问题").put("data",errorMap);
    }

    @ExceptionHandler(value=Throwable.class)
    public R handleException(Throwable throwable){

        return R.error(BizCodeEnme.UNKNOW_EXCEPTION.getCode(),BizCodeEnme.UNKNOW_EXCEPTION.getMsg());
    }


}
